已知函数
的图象如图所示,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b735d04e727bc230a4904301a2ae124.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a067e86ae162185a04bdf862b40cd255.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b735d04e727bc230a4904301a2ae124.png)
![](https://img.xkw.com/dksih/QBM/2020/3/14/2419408717676544/2420306261590016/STEM/e1b420f5be6b491fad653acfe34f0c07.png?resizew=183)
更新时间:2020-03-15 22:28:36
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【知识点】 正、余弦型三角函数图象的应用解读
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填空题-单空题
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适中
(0.65)
名校
【推荐1】函数
的图象如图所示,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0af78f2012e4bc50fe754f5e090eea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ddb07b194cd66a3bcb2d8df62ff3d97.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/5/cc11831a-db41-41ba-81c9-577bfd758121.png?resizew=181)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐2】关于函数
有如下四个命题:
①
的最小正周期为2;
②
的图象关于点
对称;
③若
,则
的最小值为
;
④
的图象与曲线
共有4个交点.
其中所有真命题的序号是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b83eafb248fc7bb0d0a28fa9b328c4ae.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a315ff1ee49439551d6e3bd04910581.png)
③若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55550151ed0b0264fce45814acfc725a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8d40e257f9c446b8e30fa841b74bbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35488275088f5a609cc2b35bff2810f9.png)
其中所有真命题的序号是
您最近一年使用:0次